参数资料
型号: TS87C51RD2-MIMR
英文描述: Microcontroller
中文描述: 微控制器
文件页数: 40/74页
文件大小: 689K
代理商: TS87C51RD2-MIMR
Rev. C - 06 March, 2001
45
TS80C51RA2/RD2
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
Table 22. The state of ports during idle and power-down mode
* Port 0 can force a "zero" level. A "one" will leave port floating.
Mode
Program
Memory
ALE
PSEN
PORT0
PORT1
PORT2
PORT3
Idle
Internal
1
Port Data*
Port Data
Idle
External
1
Floating
Port Data
Address
Port Data
Power Down
Internal
0
Port Data*
Port Data
Power Down
External
0
Floating
Port Data
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